The military-industrial scientific research system of the academic master.
Chapter 373 The first user of the new software!
When hearing this answer, Rui Xiaoting suddenly felt a sense of happiness.
It's like finally coming home after being hungry for a long time, opening the door just in time to catch the dumplings just coming out of the pan.
For a moment, he even felt that the other party had predicted his arrival in advance. Otherwise, how could he have made such full preparations?
But he was quickly denied by himself.
It’s not an insistence on materialism.
It’s that he believes that he shouldn’t be that important yet…
"Actually, Professor Rui, if you had come here a week earlier, I really wouldn't have any good ideas."
Chang Haonan led Rui Xiaoting and two others into the computer room.
Just like the Shuguang 1000 at the Computing Institute, not everyone has access to the real server cabinets. Except for a few fixed maintenance engineers, everyone who enters has to personally approve the note from Chang Haonan.
So as usual, the three people came to an operating computer room with several computers.
Most mobile hard disks in this era cannot be hot-swapped when the computer is turned on. You need to shut down the computer first and then plug it into the motherboard.
Taking advantage of the computer restarting, Chang Haonan took advantage of the situation and started Amway's new software:
"We have recently been developing a brand-new simulation tool. The core is a revolutionary dimensionality reduction method for strongly nonlinear partial differential equations, so it can be applied to multi-physics simulations under strong coupling. Although it is currently only a semi-finished product , but the more commonly used mechanical and thermal coupling modules have almost been developed."
"More importantly, I have specially reserved a highly customizable interface. Professionals like you can flexibly call your own numerical simulation methods according to your needs, and they can also be jointly applied with our preset algorithms..."
Since this software will continue to operate in the future and compete with similar foreign competitors, the more users the better.
It’s not just a question of gains from market share.
The information and data fed back by a large number of users is a huge asset in itself.
Considering that most domestic enterprises are still slightly deficient in R&D capabilities, research institutes and universities are obviously the focus of Chang Haonan's next promotion.
Using executive orders to force promotion is certainly an option, but it is also a double-edged sword.
Besides, it's not necessary.
The advantage is too great, even face A can win.
"It really does have this function..."
Rui Xiaoting watched in disbelief as Chang Haonan opened a rather crude dialog box.
"Uh... we will provide a more complete graphical interactive interface in the future. Currently, because program encapsulation has not yet been carried out, we can only use command line statements for the time being."
Chang Haonan looked at the "Are you kidding me" look from the graduate student next to him and quickly explained again.
"So... what should we do next? I have also brought the calculation code related to the discrete-time transfer matrix method of multi-body systems..."
In the computer field, many things are actually counter-intuitive.
The joint application of multiple methods is actually very simple on paper, and the complexity of the idea itself does not exceed the stress problem of high school physics.
It means to separate the research objects according to different characteristics, use appropriate methods to establish equations for each part, and finally solve them jointly.
However, since commercial numerical analysis software itself has just started, in the late 90s, no one had thought of adding it as a complete function.
"It's very simple. Let me demonstrate it and then you can try it yourself."
Chang Haonan, who came back from the third decade of the 21st century, knows very well that at this time, he must not do everything by himself, but he must get users to participate.
"Just take..."
Chang Haonan thought for a moment and quickly continued:
"Take the support arm of the rocket launcher's directional tube as an example."
“这个系统的物理模型应该是一个小形变量的欧拉-伯努利梁1、光滑柱铰2、刚体梁3、光滑柱铰4和刚体梁5,其中3号和5号相对于1号可以发生大位移运动,虽然结构简单,但是正好符合要求。”
“Next, we only need to divide the beam into four units to establish the finite element motion equation, and then combine it with the multi-body system... that is your new method to solve the system motion rules, and at the same time, use the classic fourth-order Runge-Kutt method to integrate the overall dynamics of the system Studying the system can also obtain the system motion laws, which are four independent equations, combined with the boundary conditions of the rigid beam 5..."
“Finally, as long as these 11 algebraic equations are solved simultaneously, the dynamic response of the system can be obtained.”
After saying this, Chang Haonan knocked on the Enter button in a very elegant manner.
In fact, you can also click with the mouse for this step, but it is said that using the keyboard entirely can make the operator look more professional.
At least that's how most future TV shows involving hackers will play out.
Although it can only be operated through the command line, for him, a core developer, it is still easy to use.
The calculation results were quickly displayed on the screen in the form of numerical points.
"It's the same here. It's still a semi-finished product at the moment, so it can only output data in character form. When it reaches the full version, it will be able to directly provide curve graphs. Of course, if data is needed, it can also be exported."
In the field of human-computer interaction, Chang Haonan, who is more than 20 years ahead in thinking, is not just a boaster. He can definitely kill his software engineering colleagues around the world.
Rui Xiaoting, who was watching from behind, also nodded repeatedly.
He is actually 41 years old this year, slightly older than Chang Haonan expected. Researchers of this age have all experienced situations where they need to write their own applications. Moreover, Chang Haonan has to spend time entering characters after every sentence he explains, which is not the case. Keep up with the train of thought.
It was just a pain for the graduate student who followed me.
I could still understand it in the first two steps, but later it gradually developed towards listening to the heavenly book.
Looking to the side, I saw that my teacher was concentrating on him, so I had to sigh and think about asking again when I got back.
"How about... let me try?"
Looking at the rows of data displayed on the screen, Rui Xiaoting felt his hands itching unbearably.
Chang Haonan looked at the other party's expression and was almost certain that he should be able to get his first customer.
"Okay, if you have anything you don't understand, you can ask me."
Then he stood up and gave his seat to the other party.
Then he added:
"By the way, I just listed out the six-degree-of-freedom rocket external ballistic equations for you. You can just call them when the time comes."
"Ok?"
Rui Xiaoting briefly recalled it and realized that he didn't seem to have missed any steps just now:
"where is it?"
"Wait a minute, you'll be out soon."
As soon as Chang Haonan finished speaking, a long series of equations was displayed on the screen.
"hiss……"
Rui Xiaoting, who was sitting in front of the computer, felt that his hands were a little numb.
His discrete-time transfer matrix method for multi-body systems is special in principle, so it is not necessary to establish a system of overall system dynamics equations.
But it is still needed when used in conjunction with other dynamic systems.
This wave can be said to have saved a lot of work without anyone noticing.
He felt trapped.
"So, Director Chang."
Rui Xiaoting turned his head and asked:
"If I want to continue using it after I go back, how can I obtain the permission to use this software?"
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